Senior Geologist

Job Description

Job Description

Position Summary

Thompson Engineering is looking for a motivated and experienced Professional Geologist (PG) to join our Environmental Business Unit. This role focuses on site assessments, remediation, groundwater investigations, and regulatory compliance. The ideal candidate combines technical expertise with regulatory knowledge and a hands-on approach to solving complex environmental challenges.

This position is well-suited for a technical seller / doer who can manage projects, mentor junior staff, and contribute to business development.

Key Responsibilities

• Lead and manage environmental site assessments (Phase I & II ESAs), UST closures, and site characterization projects in accordance with state and federal regulations.
• Design and implement soil and groundwater sampling programs; interpret geologic and hydrogeologic data.
• Oversee UST removals, upgrades, assessments, and prepare closure reports and corrective action plans.
• Manage federal environmental projects.
• Prepare technical reports, including geologic logs, cross-sections, contaminant transport models, and remediation summaries.
• Coordinate with regulatory agencies (e.g., ADEM, MDEQ, FDEP, LDEQ, TCEQ, EPA) to ensure compliance and facilitate approvals / closures.
• Evaluate and select remedial technologies (e.g., in-situ chemical oxidation, dual-phase extraction, biosparging).
• Manage subcontractors, field personnel, and drilling teams during fieldwork.
• Mentor junior geologists and field staff.
• Ensure health and safety compliance in field operations (HAZWOPER 40-hour certification required).
• Support business development through proposals, scopes of work, and client communications.

Essential Functions

Other Responsibilities

Minimum Requirements

Physical Requirements